Home / 85,580.73-118,092.33-47,334.20

Finding the Fourth Proportional to 85,580.73, 118,092.33 and 47,334.20

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Solution

The fourth proportional to 85,580.73, 118,092.33 and 47,334.20 is: 65,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,580.73 : 118,092.33 = 47,334.20 : x
  2. Step 2: Convert to fraction form
    85,580.73/118,092.33 = 47,334.20/x
  3. Step 3: Cross multiply
    85,580.73x = 118,092.33 × 47,334.20
  4. Step 4: Simplify right side
    85,580.73x = 5,589,805,376.22
  5. Step 5: Solve for x
    x = 5,589,805,376.22/85,580.73
  6. Step 6: Final answer
    x = 65,316.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.